If you did zoom or laser bleaching usually the front of the teeth will be whitened ! In order for the whole tooth be whitened see a knowledgeable dentist to evaluate, first do a cleaning and get bleaching done with take home trays!
If the color is the only issue, teeth whitening will work. In order to maintain, the lighter color having custom bleach trays is a necessity. When you have your own trays, you can periodically buy new bleach from your dentist and as soon as you see the color get darker you can wear the trays for...
The whitening gel probably caused either an inflammatory reaction or allergic reaction in your lips. Most likely it will go away in 24 hours. You can take some Ibuprophen( assuming you aren't allegic) during the day. It shouldn't effect your filler. Feel better.
